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  • License BSD-2-Clause

Regular expression for matching IP addresses in CIDR notation

Package Exports

  • cidr-regex

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (cidr-regex) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

cidr-regex

Regular expression for matching IP addresses in CIDR notation

Install

$ npm install --save cidr-regex

Usage

const cidrRegex = require('cidr-regex');

// Contains a CIDR IP address?
cidrRegex().test('foo 192.168.0.1/24');
//=> true

// Is a CIDR IP address?
cidrRegex({exact: true}).test('foo 192.168.0.1/24');
//=> false

cidrRegex.v6({exact: true}).test('1:2:3:4:5:6:7:8/64');
//=> true

'foo 192.168.0.1/24 bar 1:2:3:4:5:6:7:8/64 baz'.match(cidrRegex());
//=> ['192.168.0.1', '1:2:3:4:5:6:7:8']

API

cidrRegex([options])

Returns a regex for matching both IPv4 and IPv6 CIDR IP addresses.

cidrRegex.v4([options])

Returns a regex for matching IPv4 CIDR IP addresses.

cidrRegex.v6([options])

Returns a regex for matching IPv6 CIDR IP addresses.

options.exact

Type: boolean
Default: false (Matches any CIDR IP address in a string)

Only match an exact string. Useful with RegExp#test() to check if a string is a CIDR IP address.

  • is-cidr - Check if a string is an IP address in CIDR notation
  • is-ip - Check if a string is an IP address
  • ip-regex - Regular expression for matching IP addresses

License

© silverwind, distributed under BSD licence

Based on previous work by Felipe Apostol